A professor was teaching an introductory anatomy class. One day, he announced, "Today I will be lecturing on the contents of the abdomen. We will take a close look at the liver, pancreas, spleen, duodenum, jejunum, kidneys, ileum, adrenal glands and other structures."
Just then, a student shouted, "If there's one thing I can't stand, ...
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...it's an organ recital!